Who is credited with the invention of the electric telegraph, revolutionizing long-distance communication? Alexander Graham Bell Samuel Morse Thomas Edison Nikola Tesla None In which year did the first successful telegraph message travel between Washington, D.C., and Baltimore? 1805 1820 1844 1865 None What was the primary advantage of the telegraph in comparison to earlier communication methods? Speed Secrecy Simplicity Longevity None Which company played a significant role in the expansion of telegraph lines across the United States during the 19th century? Western Union AT&T Verizon RCA None What technology eventually supplanted the telegraph as the dominant form of long-distance communication? Radio Telephone Television Internet None Time's up